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https://issues.apache.org/jira/browse/PDFBOX-5012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17238275#comment-17238275
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Michael Klink edited comment on PDFBOX-5012 at 11/24/20, 5:36 PM:
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[~marco.pancioni], please also share an example of the file after signing and
your pivotal signing code for easier analysis.
By the way, when I open your PDF in Adobe Reader, it shows two warnings, one
about broken page contents and one about an invalidated usage rights signature.
Thus, it is in itself broken. By signing a broken PDF you cannot expect any
sensible behavior.
{quote}So i think it's not possibile to remove the dynamic part of XFA or we
don't use the correct procedure.{quote}
If you would like help in that, please show your pivotal code in this regard.
was (Author: mkl):
[~marco.pancioni], please also share an example of the file after signing and
your pivotal signing code for easier analysis.
By the way, when I open your PDF in Adobe Reader, it shows two warnings, one
about broken page contents and one about an invalidated usage rights signature.
Thus, it is in itself broken. By signing a broken PDF you cannot expect any
sensible behavior.
> Signature Field Not Recognize
> -----------------------------
>
> Key: PDFBOX-5012
> URL: https://issues.apache.org/jira/browse/PDFBOX-5012
> Project: PDFBox
> Issue Type: Bug
> Components: Signing
> Affects Versions: 2.0.21
> Reporter: Marco Monacelli
> Priority: Major
> Labels: XFA
> Attachments: PDF_orig_anon.pdf, PDF_orig_anon_without_XFA.pdf
>
>
> We have a document with a signature field prepared.
> We can locate the signature field and add the signature to it, but the result
> is still an unsigned document.
> CosWriter not identifies the field as a signature field.
> The document has been made anonymous but the result is the same as the
> original.
>
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